Facing the sun around 2:45pm insisted on using larger aperture (against gut feeling)to try and get some background blurring, so used anywhere between f2.0 - 2.8 whilst attempting to keep shutter speed within 1/4000.

Result was lots of CA making pics generally unsharp...I really appreciate the FF in this situ. Need to use zoom and distance with m43 to make up for this somewhat.

As a bonus can confirm that my copy of the Leica definitely has af issues. Af somehow extends away from the af box with ONLY this lens. I don't experience this with any of my other 6/7 lens.